What's the difference between leaf and leave?

Leaf


Definition:

  • (n.) A colored, usually green, expansion growing from the side of a stem or rootstock, in which the sap for the use of the plant is elaborated under the influence of light; one of the parts of a plant which collectively constitute its foliage.
  • (n.) A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril.
  • (n.) Something which is like a leaf in being wide and thin and having a flat surface, or in being attached to a larger body by one edge or end; as : (a) A part of a book or folded sheet containing two pages upon its opposite sides. (b) A side, division, or part, that slides or is hinged, as of window shutters, folding doors, etc. (c) The movable side of a table. (d) A very thin plate; as, gold leaf. (e) A portion of fat lying in a separate fold or layer. (f) One of the teeth of a pinion, especially when small.
  • (v. i.) To shoot out leaves; to produce leaves; to leave; as, the trees leaf in May.

Example Sentences:

  • (1) The dumplings could also be served pan-fried in browned butter and tossed with a bitter leaf salad and fresh sheep's cheese for a lighter, but equally delicious option.
  • (2) Subsequently the plant protein was partially purified from leaf extract.
  • (3) In autumn, leaf-heaps composted themselves on sunken patios, and were shovelled up by irritated owners of basement flats.
  • (4) Isolated nuclei from green leaf tissue of tomato plants infected with potato spindle tuber viroid (PSTVd) were bound to microscope slides, fixed with formaldehyde and hybridized with biotinylated transcripts of cloned PSTVd cDNA.
  • (5) The nuclear membrane was highly deformed with a leaf-like profile in cross-section, possibly due to an interaction with the rod-like, condensed chromosomes.
  • (6) The mass of glycolic acid recovered from sunflower leaf tissue was proportional to the amount of tissue extracted.
  • (7) cDNA clones of potato virus X (PVXcp strain), potato virus Y (PVYo strain), potato leaf roll virus (PLRV) and potato spindle tuber viroid (PSTV) were used separately or combined for the detection of the corresponding RNAs in extracts of infected plants.
  • (8) Positive cDNA clones isolated from both a pea leaf and embryo lambda gt11 expression library using an antibody raised against the purified lipoamide dehydrogenase proved to be the product of a single gene.
  • (9) Betel leaf extract at the dose levels used in the present study did not affect the body weight gain among rats.
  • (10) Poison oak, ivy, and sumac dermatitis is a T-cell-mediated reaction against urushiol, the oil found in the leaf of the plants.
  • (11) Leaf TBC was usually third while fiber had the least TBC.
  • (12) Using this estimate, the pure Photosystem I emission spectrum was subtracted from the measured emission spectrum of a flashed leaf to give an emission spectrum representative of pure Photosystem II fluorescence at -196 degrees C. Emission spectra were also measured on flashed leaves which had been illuminated for several hours in continuous light.
  • (13) The effect of 50% methanolic extract (U-ext) from Bearberry leaf on immuno-inflammation was studied by contact dermatitis caused by picryl chloride (PC-CD) in mice.
  • (14) Several antisera from rabbits immunized with tobacco smoke components reacted by immunoprecipitation with tobacco smoke or leaf antigens.
  • (15) DNP treatment reduced ion absorption by leaf tissue.
  • (16) Instead, cell divisions are gradually restricted to the base of the leaf with localized sites of increased division at the preligule region.
  • (17) In the leaf-nosed bat, Macrotus californicus, a 4.5-month period of delayed early embryogenesis (October-March) precedes a 3.5-month period of normal embryogenesis (March-June).
  • (18) Plastic responses in leaf form resulting from ontogenetic or external influences are initiated very early in primordial development and are brought about by effects on the rate and direction of cell division and expansion in different regions of the primordium.
  • (19) Northern blot analysis of infected leaf tissue extracts revealed the presence of an oligomeric series of plus RNAs (of monomer size and greater) but minus RNAs were present only as high molecular weight species of heterogeneous size.
  • (20) And, hey, until Friday morning, most surveillance reform advocates were worried about the Senate ramming through the currently neutered version of the USA Freedom Act as its fig leaf of reform, before going back to business as usual and proposing bills that will give the NSA more power – not less.

Leave


Definition:

  • (v. i.) To send out leaves; to leaf; -- often with out.
  • (v. t.) To raise; to levy.
  • (n.) Liberty granted by which restraint or illegality is removed; permission; allowance; license.
  • (n.) The act of leaving or departing; a formal parting; a leaving; farewell; adieu; -- used chiefly in the phrase, to take leave, i. e., literally, to take permission to go.
  • (v.) To withdraw one's self from; to go away from; to depart from; as, to leave the house.
  • (v.) To let remain unremoved or undone; to let stay or continue, in distinction from what is removed or changed.
  • (v.) To cease from; to desist from; to abstain from.
  • (v.) To desert; to abandon; to forsake; hence, to give up; to relinquish.
  • (v.) To let be or do without interference; as, I left him to his reflections; I leave my hearers to judge.
  • (v.) To put; to place; to deposit; to deliver; to commit; to submit -- with a sense of withdrawing one's self from; as, leave your hat in the hall; we left our cards; to leave the matter to arbitrators.
  • (v.) To have remaining at death; hence, to bequeath; as, he left a large estate; he left a good name; he left a legacy to his niece.
  • (v. i.) To depart; to set out.
  • (v. i.) To cease; to desist; to leave off.

Example Sentences:

  • (1) Application of 40 microM NiCl2 reversibly blocked It while leaving Is intact, whereas 20 microM CdCl2 reversibly blocked Is, but not It.
  • (2) With the exception of PMMA and PTFE, all plastics leave a very heavy tar- and soot deposit after burning.
  • (3) "There is a serious risk that a deal will be agreed between rich countries and tax havens that would leave poor countries out in the cold.
  • (4) "The proposed 'reform' is designed to legitimise this blatantly unfair, police state practice, while leaving the rest of the criminal procedure law as misleading decoration," said Professor Jerome Cohen, an expert on China at New York University's School of Law.
  • (5) Substances with a leaving group at the C-3 position form unsaturated conjugated cyclic adducts and are mutagenic only in the His D3052 frameshift strains with an intact excision repair system (no urvA mutation).
  • (6) In a Bloomberg article last week, for example, one Stanford student compared women who get raped to unlocked bicycles : ‘Do I deserve to have my bike stolen if I leave it unlocked on the quad?’ [Chris] Herries, 22, said.
  • (7) D-6-hydroxynicotine oxidase activity was inhibited by the anti-D-antiserum, leaving the L-enzyme fully active, while anti-L-antiserum inhibited the L- but not the D-specific activity.
  • (8) So too his statement that "in Zulu culture you cannot leave a woman if she is ready.
  • (9) There was also acknowledgement for two long-term servants to the men’s game who will both leave the Premier League for Major League Soccer this summer.
  • (10) Swedes tend to see generous shared parental leave as good for the economy, since it prevents the nation's investment in women's education and expertise from going to waste.
  • (11) A failure to reach a solution would potentially leave 200,000 homes without affordable cover, leaving owners unable to sell their properties and potentially exposing them to financial hardship.
  • (12) Guardian Australia reported last week that morale at the national laboratory had fallen dramatically, with one in three staff “seriously considering” leaving their jobs in the wake of the cuts.
  • (13) A series of hierarchical multiple regressions revealed the effects of Surgency, Agreeableness, Conscientiousness, Emotional Stability, and Intellect on evoking upset in spouses through condescension (e.g., treating spouse as stupid or inferior), possessiveness (demanding too much time and attention), abuse (slapping spouse), unfaithfulness (having sex with others), inconsiderateness (leaving toilet seat up), moodiness (crying a lot), alcohol abuse (drinking too much alcohol), emotional constriction (hiding emotions to act tough), and self-centeredness (acting selfishly).
  • (14) In the presence of N-ethylmaleimide, the 37-kDA protein was selectively released from immune complexes, leaving the small-t antigen and 61-kDa protein in association.
  • (15) It is understood that Cooper rejected pressure from senior Labour figures last week for both her and Liz Kendall to drop out and leave the way clear for Burnham to contest Corbyn alone.
  • (16) Henderson was given permission to join Fulham when Brendan Rodgers arrived at Anfield in 2012 but has since developed into an important asset for the Liverpool manager, to the extent that the 24-year-old is the leading candidate to succeed Steven Gerrard as club captain when the 34-year-old leaves for LA Galaxy.
  • (17) Either reagent dislocates FAD from the holoenzyme, leaving a characteristic mercaptide derivative of the apoenzyme.
  • (18) By using an interactive computer program to assess knowledge of the American Cancer Society cancer screening guidelines in a group of 306 family physicians, we found that knowledge of this subject continues to leave room for improvement.
  • (19) The review will now be delayed for five years, leaving the next election to be fought on the existing constituency boundaries, and seriously damaging David Cameron's chances of winning an overall majority in 2015.
  • (20) It ended with a withering putdown: “I’m leaving Downing Street 10 times more sceptical than I was before ,” Juncker told his host.